The largest Muslim population in a country is Indonesia, a country where 12.7% of the world's Muslims live, followed by Pakistan (11.1%), India (10.9%) and Bangladesh (9.2%). About 20% of Muslims live in the Arab world.
According to supporters in the world in 2020, the Christian religion is the most numerous with 2.382 billion or 31.11%, followed by Islam with 1.907 billion or 24.9%. The secular / non-religious group is 1.193 billion or 15.58%, while Hinduism is 1.251 billion -15.16%.
Hinduism is the oldest religion in the world, according to many scholars, with roots and customs dating back more than 4,000 years. Today, with about 1.251 billion followers, it is the third largest religion behind Christianity and Islam.
And as the richest religion according to a 2015 study, Christians have the largest amount of wealth (55% of total world wealth), followed by Muslims (5.8%), Hindus (3.3%) and Jews (1.1%).
